Finding the Third Proportional to 2,745,128 and 3,960,210

Step by Step Solution

1. Step 1: Write the proportion equation
   2,745,128 : 3,960,210 = 3,960,210 : x
2. Step 2: Convert to fraction form
   2,745,128/3,960,210 = 3,960,210/x
3. Step 3: Cross multiply
   2,745,128x = 3,960,210 × 3,960,210
4. Step 4: Simplify right side
   2,745,128x = 15,683,263,244,100
5. Step 5: Solve for x
   x = 15,683,263,244,100/2,745,128
6. Step 6: Final answer
   x = 5,713,126.40